html{   
    width: 100%;   
    height: 100%;   
    overflow: hidden;   
    font-style: serif;   
}   
.body{   
    width: 100%;   
    height: 100%;   
    font-family: 'Open Sans',serif;   
    margin-top: 200px;  
    margin-left: 500px;  
    background-color: #4A374A;   
}   
#login{   
    position: absolute;   
    top: 50%;   
    left:50%;   
    margin: 150px 0 0 -150px;   
    width: 300px;   
    height: 300px;   
}   
.title{   
    color: #fff;   
    font-family:Times New Roman;
    font-size:35px;
    text-shadow:0 0 10px;   
    letter-spacing: 1px;   
    /* text-align: center; */ 
    padding-left:100px;
}   
h1{   
    font-size: 2em;   
    margin: 0.67em 0;   
}   
input{   
    width: 278px;   
    height: 18px;   
    margin-bottom: 10px;   
    outline: none;   
    padding: 10px;   
    font-size: 16px; 
    font-family:华文行楷;     
    color: #fff;   
    text-shadow:1px 1px 1px;   
    border-top: 1px solid #312E3D;   
    border-left: 1px solid #312E3D;   
    border-right: 1px solid #312E3D;   
    border-bottom: 1px solid #56536A;   
    border-radius: 4px;   
    background-color: #2D2D3F;   
}   
input:hover{
    border-color:pink;
}

.but{   
    width: 300px;   
    min-height: 20px;   
    display: block;   
    background-color: #4a77d4;   
    border: 1px solid #3762bc;   
    color: #fff;   
    padding: 9px 14px;
    font-family:华文行楷;    
    font-size: 18px;   
    line-height: normal;   
    border-radius: 5px; 
    margin-bottom: 10px;  
    cursor:pointer;
}
.but:hover{
    opacity:.9;
    filter:alpha(opacity=90);
    font-weight:900; 
}

.note{
    min-width: 20px; 
    color: #fff;   
    display: block;
    font-family:Times New Roman;
    font-size:20px;
    text-align:center;
    margin-top:140px;
}






